Tokyo lithium battery energy storage battery

Energy Security: Storage batteries are key to stabilizing Japan's energy system. Given Japan's limited natural resources and dependence on imports, combined with its vulnerability to natural disasters, investing in reliable and sustainable energy solutions is critical.

From 2015 to 2020, Japan's share in the automotive lithium-ion battery market plummeted from over 50% to just 21%, and in stationary lithium-ion batteries, it dropped from 27% to a mere 5.4%. This rapid decline is striking, especially given Japan's near-monopoly in 2000 and the fact that domestic production actually increased during this period.

The “Storage Battery Industry Strategy” document from METI sets out three key targets: Boost Domestic Manufacturing: Japan aims to ramp up its domestic production of automotive storage batteries to 100 GWh by 2030, with a long-term goal of reaching 150 GWh annually. This move highlights the potential for foreign companies to invest in Japan.

Toyota and Idemitsu Kosan partner to build a lithium sulfide plant for all-solid-state EV batteries, boosting Japan's battery supply chain. Set for 2027–2028, this $142M facility aims to accelerate solid-state battery production with higher energy density, faster charging, and enhanced safety.

This strategy highlights three game-changing roles for batteries: 1. Driving Carbon Neutrality: Japan aims to achieve carbon neutrality by 2050, with electrification at the forefront. Think electric cars, buzzing with the latest battery tech, paving the way to a greener future. 2.

As Japan works to expand battery storage amid growing solar and wind capacity, METI also runs a similar subsidy scheme at the national level. In FY2024, it awarded 34.6 billion yen to 27 projects. Both programs are expected to continue in FY2025.